/* 全体のベーススタイル */
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  color: #333;
  line-height: 1.6;
}

* {
  box-sizing: border-box;
}

a {
  text-decoration: none;
}

/* 各セクション共通スタイル */
div {
  padding: 60px 20px;
  margin: 0 auto;
}

h1,
h2 {
  margin-bottom: 20px;
  font-weight: 600;
  text-align: center;
  margin-top: 30px;
}

p,
li {
  font-size: 1rem;
  margin-bottom: 10px;
}

ul {
  list-style: disc;
  padding-left: 1em;
  text-align: left;
}

li {
  font-size: 1rem;
  margin-bottom: 15px;
}

.topPanel-wraper {
  text-align: center;
  max-width: 700px;
  padding-top: 15px;
  padding-right: 0;
  padding-left: 0;
}

/* ヘッダー */
header {
  text-align: left;
}

.header-logo {
  width: 130px;
  height: auto;
}

.top-p {
  max-width: 600px;
  margin-inline: auto;
  text-align: left;
}

.header-mock-wrap {
  position: relative;
  margin-top: 20px;
  padding-bottom: 200px;
}

.header-mock {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 340px;
  height: auto;
  filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.6));
}

/* topPanel - ヒーローエリア */
.topPanel {
  background-color: #073b4c;
  color: white;
  padding: 80px 20px;
  padding-top: 0;

  /* 横いっぱいに広げる */
  max-width: 100% !important;
  width: 100%;
  margin: 0;
}

.topPanel h1 {
  font-size: 36px;
  margin-bottom: 20px;
}

.topPanel h2 {
  font-size: 1.4rem;
  margin-bottom: 20px;
}

.topPanel p {
  margin-bottom: 30px;
}

.use-button {
  background-color: #26b3f8;
  color: white;
  border: none;
  padding: 14px 28px;
  font-size: 1rem;
  border-radius: 4px;
  cursor: pointer;
  transition: background-color 0.3s;
  margin-bottom: 30px;
  margin-top: 20px;
  display: inline-block;
}

.use-button:hover {
  background-color: #1a90c7;
}

/* midPanel */
.midPanel {
  background-color: #ffffff;
  padding-top: 240px;
}

.midPanel-wrapper {
  padding-bottom: 0;
  padding-right: 0;
  padding-left: 0;
}

.midPanel ul {
  max-width: 700px;
  margin: 0 auto;
}

.midPanel h2 {
  font-size: 1.6rem;
}

/* bottomPanel */
.bottomPanel {
  background-color: #f0f4f8;
}

.bottomPanel h2 {
  font-size: 1.6rem;
  text-align: center;
}

.bottomPanel ul {
  max-width: 700px;
  margin: 0 auto;
}

.bottomPanel h2 {
  margin-top: 0px;
}

/* footPanel */
.footPanel {
  background-color: white;
}

.footPanel h2 {
  font-size: 1.6rem;
  margin-top: 0;
}

.footPanel ul {
  max-width: 700px;
  margin: 0 auto;
}

/* CTA Button 共通（オプションで mid/bottom でも再利用できるように） */
.use-button {
  border-radius: 4px;
  cursor: pointer;
  font-size: 1rem;
}

/* レスポンシブ */
@media (max-width: 580px) {
  .topPanel h1 {
    font-size: 24px;
  }

  div.footer-wrapper {
    display: block;
  }
}

h2 {
  position: relative;
  display: inline-block;
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 35px;
  text-align: left;
  margin-inline: auto;
}

h2::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 24px;
  height: 4px;
  background-color: #26b3f8;
  border-radius: 2px;
}

.midPanel,
.bottomPanel,
.footPanel {
  text-align: center;
}

footer,
footer a {
  color: #919191;
  margin-right: 15px;
  background-color: #f9f9f9;
}

.footer-wrapper {
  max-width: 700px;
  margin: 0 auto;
  margin-top: 20px;
  display: flex;
  justify-content: space-between;
  padding: 18px;
  /* border-top: 1px solid hsl(0, 0%, 83%); */
}

.footer-links {
  padding: 0;
  margin: 0;
}

.at {
  margin: 0;
}

.common-header {
  background-color: #073b4c;
  padding: 15px 20px 5px;
}

.header-container {
  max-width: 700px;
  margin: 0 auto;
}

.common-container {
  max-width: 700px;
  margin: 0 auto;
  padding: 20px;
  background-color: white;
}

.bb {
  margin-bottom: 50px;
}

.common-container h2 {
  margin-bottom: 15px;
}